Home / 1,717,736.40-2,576,604.60-438,341.40

Finding the Fourth Proportional to 1,717,736.40, 2,576,604.60 and 438,341.40

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Solution

The fourth proportional to 1,717,736.40, 2,576,604.60 and 438,341.40 is: 657,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,736.40 : 2,576,604.60 = 438,341.40 : x
  2. Step 2: Convert to fraction form
    1,717,736.40/2,576,604.60 = 438,341.40/x
  3. Step 3: Cross multiply
    1,717,736.40x = 2,576,604.60 × 438,341.40
  4. Step 4: Simplify right side
    1,717,736.40x = 1,129,432,467,610.44
  5. Step 5: Solve for x
    x = 1,129,432,467,610.44/1,717,736.40
  6. Step 6: Final answer
    x = 657,512.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.